Science, asked by Shemi1, 1 year ago

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Shemi1: Can u answer me???

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Answered by ShrutiGupta11

(a) metals- (I),(iii),(iv)
non-metal-(ii),(iii)

(b)iron nail is brown because of rusting.

(c)copper wire

ShrutiGupta11: (d) (i) 2Cu + H2O ➡2CuO+H2

ShrutiGupta11: d) (iii) 2Al+3H2O➡Al2O3+3H2

ShrutiGupta11: d) (iv) 2Fe+3H2O➡Fe2O3+6H

ShrutiGupta11: e) (ii) 3S+2H2O➡SO2+2H2S

ShrutiGupta11: e) (v) I2+H2O➡IO+2H+I

Shemi1: Thnx

Answered by rajawaseemkiani

(a) i, iii, iv and v are metals while ii is non-metal.
(b) when iron nail is dipped into copper sulphate a brown layer is formed on.
(c) copper wire is better conductor of heat.
(d) reactions with water
i. 2Al+3H2O-------->Al2O3+3H2
ii. 2Fe+3H2O----------->Fe2O3+3H2
iii. 3S+2H2O------------->SO2+2H2S
iv. 3I2+2H2O------------->4I2+2IO+2H2

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